Showerhead for a semiconductor processing chamber



FIG. 1 is an isometric top view of a showerhead for a semiconductor processing chamber showing my new design.

FIG. 2 is an isometric bottom view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a side elevational view thereof, the other side elevational views being identical.

FIG. 6 is a cross-sectional view thereof taken along lines 6-6 of FIG. 3.

FIG. 7 is an enlarged view of a portion of FIG. 6; and,

FIG. 8 is an enlarged view of a portion of FIG. 1. 

CLAIM The ornamental design for a showerhead for a semiconductor processing chamber, as shown and described. 